Résultats de la recherche

1. Foraging range and at-sea locations of female Antarctic fur seals, Cape Shirreff, Livingston Island, from 1999–2002

   from their colony to feeding areas hours to days offshore, returning periodically to suckle. Outside of ... survival but that of her young. As such, a fundamental component to understanding the survival and ... reproductive success of fur seals is to identify habitat preferences. Our objective was to characterize the ... distribution and range of foraging females rearing pups at Cape Shirreff, Livingston Island, Antarctica. We ...

   Meeting Document : WG-EMM-02/53 : Auteur(s): M.E. Goebel, S.N. Sexton and D.P. Costa (USA)

2. ENVIRONMENTAL FORCING AND SOUTHERN OCEAN MARINE PREDATOR POPULATIONS: EFFECTS OF CLIMATE CHANGE AND VARIABILITY

   various ways, including alterations to climate and weather patterns across a variety of time-scales that ... include changes to the long interdecadal background signals such as the development of the El Niño ... best predictor of biological responses over longer time-scales. Around the Southern Ocean, marine ... Atlantic, failure of Antarctic krill recruitment will inevitably foreshadow recruitment failures in a range ...

   Meeting Document : WG-EMM-08/P06 : Auteur(s): P.N. Trathan, J. Forcada and E.J. Murphy

3. Distribution and abundance of larval fishes collected in the western Bransfield Strait region, 1986–87

   types of net hauls. Gear differences, the restricted geographical coverage, and between year variability ... vicinity of Gerlache Strait and island shelf areas; larvae were infrequently collected in Drake Passage ... but low compared to that of Notothenia gibberifrons (0.12 mm day-1). Author(s):  Delegation of USA ... Title:  Distribution and abundance of larval fishes collected in the western Bransfield Strait region ...

   Meeting Document : SC-CAMLR-VIII/BG/36 : Auteur(s): Delegation of USA

4. Comparison of age readings by two otolith preparation techniques and readers

   in interpretation of otolith banding patterns. Results suggest broad agreement in ages determined by ... and in interpretation of the break and burn preparation method to warrant further coordination and ... . This experiment highlights the importance of monitoring and comparing ageing protocols within and ... paired age difference statistically equal to zero, overall CV less than 10%, and slope of regression ...

   Meeting Document : WG-FSA-14/53 : Auteur(s): S.J. Parker (New Zealand), A.F. Petrov (Russia), C.P. Sutton (New Zealand) and E.N. Kuznetsova (Russia)

5. Antarctic krill; assessment of mesh size selectivity and escape mortality from trawls

   (commenced in 2015) assessing size selectivity and escape mortality of Antarctic krill from trawl nets. The ... project is widely based on acquired experiences from a completed study Net Escapement of Antarctic krill ... offered free-of-charge by two Norwegian commercial fishing companies; Olympic Seafood AS and Aker ... size selectivity in the trawl body forward of the codend. Based on end results from the preceding ...

   Meeting Document : WG-EMM-15/14 : Auteur(s): B.A. Krafft (Norway), L.A. Krag (Denmark), B. Herrmann, A. Engås, I. Bruheim and S. Nordrum (Norway)

6. A characterisation of the toothfish fishery in the Ross Sea region (Subarea 88.1 and SSRUs 88.2A–B) to 2016–17

   and SSRUs 882AB) together with biological characteristics of the catch of Antarctic toothfish through ... driven by location of fishing. The strongest time trend in the data is the change in the sex ratio over ... . Because the areas open to fishing will change in 2018, with the implementation of the Ross Sea region ... Title:  A characterisation of the toothfish fishery in the Ross Sea region (Subarea 88.1 and SSRUs 88.2A ...

   Meeting Document : WG-FSA-17/07 : Auteur(s): S. Parker and S. Mormede

7. Evidence of change to the environment, ecosystem and fishery within Area 48 indicates the need for continued precaution

   changes are consistent with global evidence of the ecological effects of environmental change. At the same ... was used to set the trigger level. As a consequence of these major risk factors (increased catch ... for regularly reviewing whether its management of the krill fishery is suitably precautionary. At the ... precaution, should be retained. Author(s):  S. Hill and A. Atkinson Title:  Evidence of change to the ...

   Meeting Document : WG-EMM-2019/29 : Auteur(s): S. Hill and A. Atkinson

8. Density estimation of Antarctic krill (Euphausia superba) around South Shetland Island and Elephant Island (Subarea 48.1) using two frequencies with 38 and 120 kHz

   Abstract:  The density of Antarctic krill swarm inhabiting the Subarea 48.1, which includes the ... Elephant Island peripheries and the west and north of the South Shetland Island, was estimated using an ... software for swarm identification) and interval method based on distribution of (a) total krill AT and (b ... . Han, W. Oh, D. An and K. Lee Title:  Density estimation of Antarctic krill (Euphausia superba) around ...

   Meeting Document : SG-ASAM-2019/03 Rev. 1 : Auteur(s): S. Choi, S. Chung, I. Han, W. Oh, D. An and K. Lee

9. Comparison of krill density estimated with swarm-based and dB-difference method using acoustic data collected by Chinese fishing vessel participating in the 2019 Area 48 survey

   Abstract:  To address the effect of various identification methods on krill biomass estimates ... vessel F/V Fu Rong Hai during the 2019 Area 48 survey. Identification window of swarm-based template were ... ). Identification window of dB-difference method were set to [2 16] and [0.4 12] respectively. Distributions of ... conclusion. Author(s):  X. Yu, X. Wang, J. Zhang and X. Zhao Title:  Comparison of krill density estimated ...

   Meeting Document : SG-ASAM-2019/06 : Auteur(s): X. Yu, X. Wang, J. Zhang and X. Zhao

10. CPUE values derived from Soviet fishery statistics as indicators of Antarctic krill density fluctuations in 1977–1991

    Abstract:  The average CPUE values, annual and calculated for the periods of 1977-1986 and 1986 ... fluctuations. Rather high stability of the values investigated is revealed. It is proposed that krill density ... of 170-200 g/m2 may be considered as an average characteristic value for the area 48. It was revealed ... G.N. Andrianov (Russia) Title:  CPUE values derived from Soviet fishery statistics as indicators of ...

    Meeting Document : WG-EMM-04/39 : Auteur(s): F.F. Litvinov, A.Z. Sundakov and G.N. Andrianov (Russia)

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